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#include <test.h>
#include <files_interfaces.h>
#include <misc_lib.h> /* xsnprintf */
#define FILE_SIZE (sizeof(FILE_CONTENTS) - 1)
#define FILE_LINE "some garbage!"
#define FILE_CORRUPTED_LINE "some \0 , gar\0bage!"
#define LINE_SIZE (sizeof(FILE_LINE) - 1)
char CFWORKDIR[CF_BUFSIZE];
char FILE_NAME[CF_BUFSIZE];
char FILE_NAME_CORRUPT[CF_BUFSIZE];
char FILE_NAME_EMPTY[CF_BUFSIZE];
static void tests_setup(void)
{
xsnprintf(CFWORKDIR, CF_BUFSIZE, "/tmp/files_interfaces_test.XXXXXX");
mkdtemp(CFWORKDIR);
xsnprintf(FILE_NAME, CF_BUFSIZE, "%s/cf_files_interfaces_test", CFWORKDIR);
xsnprintf(FILE_NAME_CORRUPT, CF_BUFSIZE, "%s/cf_files_interfaces_test_corrupt", CFWORKDIR);
xsnprintf(FILE_NAME_EMPTY, CF_BUFSIZE, "%s/cf_files_interfaces_test_empty", CFWORKDIR);
}
static void tests_teardown(void)
{
char cmd[CF_BUFSIZE];
xsnprintf(cmd, CF_BUFSIZE, "rm -rf '%s'", CFWORKDIR);
system(cmd);
}
static void CreateGarbage(const char *filename)
{
FILE *fh = fopen(filename, "w");
for(int i = 0; i < 10; ++i)
{
fwrite(FILE_LINE, 14, 1, fh);
}
fclose(fh);
}
static void CreateCorruptedGarbage(const char *filename)
{
FILE *fh = fopen(filename, "w");
for(int i = 0; i < 10; ++i)
{
fwrite(FILE_CORRUPTED_LINE, 18, 1, fh);
}
fclose(fh);
}
static void test_cfreadline_valid(void)
{
CreateGarbage(FILE_NAME);
FILE *fin = fopen(FILE_NAME, "r");
//test with non-empty file and valid file pointer
size_t bs = CF_BUFSIZE;
char *b = xmalloc(bs);
ssize_t read = CfReadLine(&b, &bs, fin);
assert_true(read > 0);
assert_string_equal(b, FILE_LINE);
if (fin)
{
fclose(fin);
}
free(b);
}
static void test_cfreadline_corrupted(void)
{
CreateCorruptedGarbage(FILE_NAME);
FILE *fin = fopen(FILE_NAME, "r");
size_t bs = CF_BUFSIZE;
char *b = xmalloc(bs);
//test with non-empty file and valid file pointer
ssize_t read = CfReadLine(&b, &bs, fin);
assert_true(read > 0);
assert_string_not_equal(b, FILE_LINE);
if (fin)
{
fclose(fin);
}
free(b);
}
int main()
{
PRINT_TEST_BANNER();
tests_setup();
const UnitTest tests[] =
{
unit_test(test_cfreadline_valid),
unit_test(test_cfreadline_corrupted),
};
PRINT_TEST_BANNER();
int ret = run_tests(tests);
tests_teardown();
return ret;
}
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